EP1130581A3 - Dispositif de lecture/écriture optique à haute densité - Google Patents
Dispositif de lecture/écriture optique à haute densité Download PDFInfo
- Publication number
- EP1130581A3 EP1130581A3 EP01300155A EP01300155A EP1130581A3 EP 1130581 A3 EP1130581 A3 EP 1130581A3 EP 01300155 A EP01300155 A EP 01300155A EP 01300155 A EP01300155 A EP 01300155A EP 1130581 A3 EP1130581 A3 EP 1130581A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- optical
- optical disc
- format
- light source
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
- G11B7/13922—Means for controlling the beam wavefront, e.g. for correction of aberration passive
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/005—Reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1395—Beam splitters or combiners
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Optical Head (AREA)
- Polarising Elements (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000010875A KR100694029B1 (ko) | 2000-03-04 | 2000-03-04 | 고밀도 기록/재생용 호환형 광픽업장치 |
KR2000010875 | 2000-03-04 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1130581A2 EP1130581A2 (fr) | 2001-09-05 |
EP1130581A3 true EP1130581A3 (fr) | 2003-04-02 |
EP1130581B1 EP1130581B1 (fr) | 2005-03-16 |
Family
ID=19652263
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01300155A Expired - Lifetime EP1130581B1 (fr) | 2000-03-04 | 2001-01-09 | Dispositif de lecture/écriture optique à haute densité |
Country Status (7)
Country | Link |
---|---|
US (1) | US6563780B2 (fr) |
EP (1) | EP1130581B1 (fr) |
JP (1) | JP4302902B2 (fr) |
KR (1) | KR100694029B1 (fr) |
CN (1) | CN1194343C (fr) |
DE (1) | DE60109336T2 (fr) |
TW (1) | TW513717B (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3672020B2 (ja) * | 2000-12-18 | 2005-07-13 | 日本電気株式会社 | 光ヘッド装置及び光学式情報記録再生装置 |
KR100354771B1 (ko) * | 2000-12-28 | 2002-10-05 | 삼성전자 주식회사 | 기록매체 두께 변화 검출 및/또는 그 두께 변화에 의해발생된 구면수차 보정 가능한 광픽업장치 |
US7277365B2 (en) | 2001-12-07 | 2007-10-02 | Matsushita Electric Industrial Co., Ltd. | Optical information processing apparatus and method of processing optical information |
US7061853B2 (en) * | 2001-12-18 | 2006-06-13 | Discovision Associates | High-density optical pickup for rotating media |
JP3518684B2 (ja) * | 2002-01-11 | 2004-04-12 | 日立マクセル株式会社 | 対物レンズの設計方法、対物レンズ、対物レンズの製造方法、多波長用光学系、光ヘッド及び光デイスク装置 |
JP4362068B2 (ja) * | 2002-02-26 | 2009-11-11 | パナソニック株式会社 | 光学素子及びそれを用いた光ヘッド装置、並びに、この光ヘッド装置を用いた光情報装置、並びに、この光情報装置を用いたコンピュータ、光ディスクプレーヤ、カーナビゲーションシステム、光ディスクレコーダ及び光ディスクサーバ |
EP1556858B1 (fr) * | 2002-10-23 | 2011-07-13 | Koninklijke Philips Electronics N.V. | Détection d'aberrations sphériques |
KR100546351B1 (ko) * | 2003-07-25 | 2006-01-26 | 삼성전자주식회사 | 호환형 광픽업 및 이를 채용한 광 기록 및/또는 재생기기 |
JP3989889B2 (ja) * | 2003-09-19 | 2007-10-10 | 株式会社リコー | 収差調整装置、光ピックアップ、プログラム、及び記憶媒体 |
JPWO2005091279A1 (ja) * | 2004-03-19 | 2008-02-07 | コニカミノルタオプト株式会社 | 光ピックアップ装置用の対物光学系、光ピックアップ装置及び光情報記録再生装置 |
KR101041075B1 (ko) | 2004-11-11 | 2011-06-13 | 삼성전자주식회사 | 광픽업 장치 |
JP2006179127A (ja) * | 2004-12-22 | 2006-07-06 | Toshiba Corp | 光ディスク装置及びその制御方法 |
KR100683888B1 (ko) * | 2005-01-20 | 2007-02-15 | 삼성전자주식회사 | 광픽업 장치 |
US7626152B2 (en) * | 2006-08-16 | 2009-12-01 | Raytheon Company | Beam director and control system for a high energy laser within a conformal window |
WO2010071125A1 (fr) * | 2008-12-17 | 2010-06-24 | コニカミノルタオプト株式会社 | Elément optique à objectif et dispositif de lecture optique |
CN102661853B (zh) * | 2012-05-08 | 2014-03-26 | 北京理工大学 | 共焦系统球差测量方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10269610A (ja) * | 1997-03-27 | 1998-10-09 | Konica Corp | 光ピックアップ装置および光ピックアップ装置の補正素子 |
EP0881634A1 (fr) * | 1997-05-29 | 1998-12-02 | Nec Corporation | Dispositif de tête optique |
US6005834A (en) * | 1996-03-15 | 1999-12-21 | Sony Corporation | Optical recording medium recording and reproducing apparatus and optical pickup device |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100514323B1 (ko) * | 1997-12-05 | 2005-12-08 | 삼성전자주식회사 | 복수의광디스크를호환하는대물렌즈를구비한광픽업 |
JPH11306579A (ja) * | 1998-04-15 | 1999-11-05 | Sony Corp | ビームスプリッタ及び光ピックアップ装置 |
-
2000
- 2000-03-04 KR KR1020000010875A patent/KR100694029B1/ko not_active IP Right Cessation
-
2001
- 2001-01-09 EP EP01300155A patent/EP1130581B1/fr not_active Expired - Lifetime
- 2001-01-09 DE DE60109336T patent/DE60109336T2/de not_active Expired - Lifetime
- 2001-01-12 CN CNB011016132A patent/CN1194343C/zh not_active Expired - Fee Related
- 2001-01-31 TW TW090101971A patent/TW513717B/zh not_active IP Right Cessation
- 2001-02-27 US US09/793,718 patent/US6563780B2/en not_active Expired - Lifetime
- 2001-03-01 JP JP2001057364A patent/JP4302902B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6005834A (en) * | 1996-03-15 | 1999-12-21 | Sony Corporation | Optical recording medium recording and reproducing apparatus and optical pickup device |
JPH10269610A (ja) * | 1997-03-27 | 1998-10-09 | Konica Corp | 光ピックアップ装置および光ピックアップ装置の補正素子 |
US6052355A (en) * | 1997-03-27 | 2000-04-18 | Konica Corporation | Optical pickup apparatus and a compensation element therefor |
EP0881634A1 (fr) * | 1997-05-29 | 1998-12-02 | Nec Corporation | Dispositif de tête optique |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 01 29 January 1999 (1999-01-29) * |
YAMAMOTO ET AL: "0.8-NA two element objective lens for the optical disk", JAPANESE JOURNAL OF APPLIED PHYSICS, PUBLICATION OFFICE JAPANESE JOURNAL OF APPLIED PHYSICS. TOKYO, JP, vol. 36, no. 1B, 1997, pages 456 - 459, XP002084439, ISSN: 0021-4922 * |
Also Published As
Publication number | Publication date |
---|---|
EP1130581A2 (fr) | 2001-09-05 |
CN1311508A (zh) | 2001-09-05 |
US20010036141A1 (en) | 2001-11-01 |
DE60109336D1 (de) | 2005-04-21 |
KR20010086901A (ko) | 2001-09-15 |
US6563780B2 (en) | 2003-05-13 |
EP1130581B1 (fr) | 2005-03-16 |
CN1194343C (zh) | 2005-03-23 |
TW513717B (en) | 2002-12-11 |
DE60109336T2 (de) | 2005-08-04 |
JP4302902B2 (ja) | 2009-07-29 |
KR100694029B1 (ko) | 2007-03-12 |
JP2001291270A (ja) | 2001-10-19 |
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